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COM3000 Integrator’s
Installation Manual
Date: January 2024
Version 1.1
EAS
Emergency Alert Systems can be interfaced with the COM3000 to stream emergency
notifications to all QAM channels. A local message can be created and played via a PC
and VLC or a ZyCast Media Server.
https://www.fcc.gov/encyclopedia/emergency-alert-system-eas
Edge QAM
In a typical installation, the COM51 cards will be configured to stream to a QAM20 /
QAM4 modulator.
GIGe
Gigabit Ethernet High speed Ethernet standard for transmitting data at one gigabit per
second. All switches in the GIGe (video) network must be rated to pass this level of
traffic.
IGMP
Internet Group Management Protocol. Used by Ethernet Switches and end devices to
manage multicast video on IP networks.
HD
High Definition
Hot-swappable
The unit or device this term describes may be added to, removed from, or replaced
within the system it is a part of without powering anything down.
MPEG
Moving Pictures Experts Group - A working group of ISO/IEC with the mission to develop
standards for coded representation of digital audio and video and related data.
Most commercial and some residential TVs support MPEG4 standards. All DIRECTV HD
signals are MPEG4 contained in an MPEG2 transport stream. Many residential and some
older commercial TVs will only support MPEG2 signals.
PC/VLC
The COM3000 can accept streaming video from a networked PC running VLC, an open-
source video software.
http://www.videolan.org/vlc/index.html
PID
Packet Identification A 13-bit field in the header of every 188-byte MPEG2 transport
packet.
Pro:Idiom
Pro:Idiom is an industry accepted digital rights management encryption technology for
video signals broadcast in commercial establishments such as hotels, dormitories, and
hospitals. All major programmers have accepted Pro:Idiom as an encryption method to
secure programming. Only televisions or set-back boxes with built in Pro:Idiom
encryption system decoders will be able to decrypt the signal.
http://www.zenith.com/wp-content/uploads/2013/05/ProIdiom_Overview_2010-
10-08.pdf
Pro:Idiom Mobile
A version of Pro:Idiom which is software based and can be decrypted using an
approved and licenses software player.
Property
Distribution
Network
This network, set up and maintained by the system operator or property owner,
distributes television signals via RF or IP technology. Traditional analog RF plants often
need repairs and upgrades before they pass digital HD programming. RF levels and
